8463344791129 has 2 divisors, whose sum is σ = 8463344791130. Its totient is φ = 8463344791128.

The previous prime is 8463344791067. The next prime is 8463344791147. The reversal of 8463344791129 is 9211974433648.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7838051321104 + 625293470025 = 2799652^2 + 790755^2 .

It is a cyclic number.

It is not a de Polignac number, because 8463344791129 - 2⁷ = 8463344791001 is a prime.

It is not a weakly prime, because it can be changed into another prime (8463344791159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4231672395564 + 4231672395565.

It is an arithmetic number, because the mean of its divisors is an integer number (4231672395565).

Almost surely, 2^{8463344791129} is an apocalyptic number.

It is an amenable number.

8463344791129 is a deficient number, since it is larger than the sum of its proper divisors (1).

8463344791129 is an equidigital number, since it uses as much as digits as its factorization.

8463344791129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31352832, while the sum is 61.

The spelling of 8463344791129 in words is "eight trillion, four hundred sixty-three billion, three hundred forty-four million, seven hundred ninety-one thousand, one hundred twenty-nine".